2218-3620
2218-3620
S2218-36202021000400389
Ecuador
00
08
2021
00
08
2021
13
4
389
397
[
2020
Segunda edición
]
[
1978
]
[
2019
2
1
1
27-39
]
[
2017
21
2
2
149-70
]
[
1999
]
[
2017
14
2
2
226-35
]
[
2018
1
1
1
9-17
]
[
2019
15
66
66
104-10
]
[
2007
77
1
1
81-112
]
[
2013
17
2
2
283-301
]
[
2016
22
2
2
1-17
]
[
2012
2
1
1
211-8
]
[
2016
49
15-29
]
[
2016
]
[
1983
28
1
1
4-13
]
[
1989
18
2
2
119-44
]
[
2018
10
30
30
533-54
]
[
1967
39-83
]
[
2010
]
[
2014
5
2
2
20-4
]